Capture-recapture to estimate the number of street children in a city in Brazil.
D000293:Adolescent; D001938:Brazil / Q000453:epidemiology; D002648:Child; D002675:Child, Preschool; D003430:Cross-Sectional Studies; D003625:Data Collection / Q000379:methods; D005260:Female; D018453:Homeless Youth / Q000706:statistics & numerical data*; D006801:Humans; D007223:Infant; D008297:Male; D009790:Occupations / Q000706:statistics & numerical data; D011159:Population Surveillance; D014505:Urban Population / Q000706:statistics & numerical data*